.. code-block:: python

	#!/usr/bin/env python
	# -*- coding: utf-8 -*-
	
	from __future__ import print_function
	import sys
	import pymzml
	import os
	from pymzml.plot import Factory
	
	
	def main(mzml_file):
	    '''
	    Plots a chromatogram for the given mzML file. File is saved as
	    'chromatogram_<mzml_file>.html'.
	
	    usage:
	
	        ./plot_chromatogram.py <path_to_mzml_file>
	
	    '''
	    run = pymzml.run.Reader( mzml_file )
	    mzml_basename = os.path.basename( mzml_file )
	    pf = Factory()
	    pf.new_plot()
	    pf.add(
	        run['TIC'].peaks,
	        color = (0, 0, 0),
	        style = 'lines',
	        title = mzml_basename
	    )
	    pf.save(
	        'chromatogram_{0}.html'.format(
	            mzml_basename
	        ),
	        layout = {
	            'xaxis' : {
	                'title' : 'Retention time'
	            },
	            'yaxis' : {
	                'title' : 'TIC'
	            }
	        }
	    )
	    return
	
	if __name__ == '__main__':
	    if len(sys.argv) < 2:
	        print(main.__doc__)
	        exit()
	    mzml_file = sys.argv[1]
	    main(mzml_file)
